131699212 has 12 divisors (see below), whose sum is σ = 230886936. Its totient is φ = 65731520.

The previous prime is 131699209. The next prime is 131699231. The reversal of 131699212 is 212996131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26989 + ... + 31492.

It is an arithmetic number, because the mean of its divisors is an integer number (19240578).

Almost surely, 2^131699212 is an apocalyptic number.

It is an amenable number.

131699212 is a deficient number, since it is larger than the sum of its proper divisors (99187724).

131699212 is a wasteful number, since it uses less digits than its factorization.

131699212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59048 (or 59046 counting only the distinct ones).

The product of its digits is 5832, while the sum is 34.

The square root of 131699212 is about 11476.0277099700. The cubic root of 131699212 is about 508.7772990923. Note that the first 3 decimals are identical.

The spelling of 131699212 in words is "one hundred thirty-one million, six hundred ninety-nine thousand, two hundred twelve".